cpp_headers: Renamed C++ headers from .h -> .hpp

To make room for UPM C and C++ sensor code to coexist, all UPM
C++ headers have been renamed from h -> hpp.  This commit contains
updates to documentation, includes, cmake collateral, examples, and
swig interface files.

    * Renamed all cxx/cpp header files which contain the string
    'copyright intel' from .h -> .hpp (if not already hpp).

    * Replaced all references to .h with .hpp in documentation,
    source files, cmake collateral, example code, and swig interface
    files.

    * Replaced cmake variable module_h with module_hpp.

    * Intentionally left upm.h since this file currently does not
    contain code (documentation only).

Signed-off-by: Noel Eck <noel.eck@intel.com>

src/h3lis331dl/CMakeLists.txt

@@ -1,5 +1,5 @@
 set (libname "h3lis331dl")
 set (libdescription "upm h3lis331dl I2c Accelerometer (400g)")
 set (module_src ${libname}.cxx)
-set (module_h ${libname}.h)
+set (module_hpp ${libname}.hpp)
 upm_module_init()

src/h3lis331dl/h3lis331dl.cxx

@@ -28,7 +28,7 @@
 #include <stdexcept>
 #include <string>
 
-#include "h3lis331dl.h"
+#include "h3lis331dl.hpp"
 
 using namespace upm;
 using namespace std;

src/h3lis331dl/javaupm_h3lis331dl.i

@@ -9,7 +9,7 @@
 %ignore i2cContext;
 
 %{
-    #include "h3lis331dl.h"
+    #include "h3lis331dl.hpp"
 %}
 
 %typemap(jni) float* "jfloatArray"
@@ -48,7 +48,7 @@
 %ignore getXYZ(int *, int *, int *);
 %ignore getAcceleration(float *, float *, float *);
 
-%include "h3lis331dl.h"
+%include "h3lis331dl.hpp"
 
 %pragma(java) jniclasscode=%{
     static {

src/h3lis331dl/jsupm_h3lis331dl.i

@@ -7,7 +7,7 @@
 %pointer_functions(float, floatp);
 
 %{
-    #include "h3lis331dl.h"
+    #include "h3lis331dl.hpp"
 %}
 
-%include "h3lis331dl.h"
+%include "h3lis331dl.hpp"

src/h3lis331dl/pyupm_h3lis331dl.i

@@ -14,7 +14,7 @@
 %include "h3lis331dl_doc.i"
 #endif
 
-%include "h3lis331dl.h"
+%include "h3lis331dl.hpp"
 %{
-    #include "h3lis331dl.h"
+    #include "h3lis331dl.hpp"
 %}